Eidoo is burning 500.000 tokens. up to 8 January 2018 all 500.000 Edo will be burned.
This usually means that the price will go higher because the supply gets smaller. It’s not a guarantee but usually it works this way.
Source: https://medium.com/eidoo/eidoo-to-destroy-500-000-edo-tokens-c37583988fe0?source=linkShare-58a183e8b03e-1515334426